Saw blade



FIG. 1 is a perspective view of a saw blade showing my new design;

FIG. 2 is a right side elevation view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a rear elevation view thereof;

FIG. 7 is a front elevation view thereof;

FIG. 8 is a perspective view of a second embodiment of a saw blade showing my new design;

FIG. 9 is a right side elevation view thereof;

FIG. 10 is a top plan view thereof;

FIG. 11 is a left side elevation view thereof;

FIG. 12 in a bottom plan view thereof;

FIG. 13 is a rear elevation view thereof; and,

FIG. 14 is a front elevation view thereof. 

What is claimed is the ornamental design for the saw blade, as shown and described. 